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sprintf with leading minus sign
Not sure you can eliminate the minus sign. I think what you are saying is basically if(abs(x)<1e-2) x =0; end

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3D Plot - term structure
That is a mesh plot. % here I'm making up data with the same sizes as yours dates = 1:224; maturities = (1:10)'; valu...

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How can i find the derivative of a vector?
You can do that approximately. % this is the "finite difference" derivative. Note it is one element shorter than y and x ...

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Help with plot legend
Not very sure, but I guess that the problem might be in some of the elements of h being zero, on account of the condition about ...

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Toc returns loop time instead of total script time
Hi, I've tried this tic; for k=1:10 pause(2); toc; end pause(2); toc; on both R2012b and R2014b and th...

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Turning part circle into circle segment
I'd add a final point coincident with the first one Kreis=[Kreis Kreis(:,1)]; Then plot3(Kreis(1,:),Kreis(2,:),Kreis(...

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Matlab : 2 x-axis with one plot
I guess that the problem is that the y axis of ax2 overlaps with that of ax1, and the ticks are different. You can remove the t...

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How to plot left and right y-axis that belong to the same data points
So if I get it right, you want to represent _the same data_ using different units. I can see why plotyy is not the right tool. ...

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plottyy and linkprop, xtick overlaping with two set of data contain large axis range difference
I tried your code out. Both lines are plotted, but (x1,y1) is clearly flattened on the y axis (leftmost part of the window)....

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Improve performance of linspace
are you sure that it is a matter of linspace? Did you try profiling your code? I'd say the "problem" is in the sin function, ...

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Any suggestions for this code?
tmp = input('Please enter the first coordinates in this form [# #]: '); x1=tmp(1); y1=tmp(2); and so on...

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Find corresponding dates in a calendar
The error you get is self explaining, I think. ISM_krock contains many zeros (apparently columns 4 to 6 entirely consist of zero...

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Change color of different spheres
Where exactly are you specifying the sphere color? Because it seems to me that in the above command you're not. You should...

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How to add the recent value of a variable to the end of the name of another variable as a suffix?
I think this can be done through the function "eval". However, your strategy seems impractical. Why don't you add a dimension...

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how to perform jump condtion or alternative solution for calling
Not very clear. I'm not sure I understand what you want. I'm guessing here. You have an array X (what's its size?) The...

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how to plot waterfall FFT
have you taken a look at the documentation of the "waterfall" function? You can do that by typing doc waterfall I'm not s...

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HELP! All combinations of array of vectors
If I get your problem right, you could use "combnk" If V is a vector with the indices of your N's, e.g. V = 1:10 then...

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How to find the another values in array
You could use the command "find". % this finds the row (if any) at which N appears in the first column of A r = find(A(:,1...

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identify different filname in different group
It's not very clear to me what you mean by "group the files in matlab". Anyway, one possibility is perhaps to discriminate th...

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hi , i have this code..
Well... you can simply shift your time scale. Anyway your xlim is less than the range of t. If Dt is your translation (in your ...

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using if, else-if and else
If I get it right, you have an array and you want to find its first value (index-wise) less than 5. If this is the case, and t...

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Issue with minor and major grid line styles
I stumbled on this problem as well. I think you need to set the ticks manually. set(gca,'xtick',200:200:1000); set(gca,'yt...

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Plotting on y-axis in form of offset for clarity ?
your solution should work, provided you close the parentheses plot(A(:,1),A(:,3)-0.3); plot(A(;,1), A(:,4)+0.3); didn'...

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how to store function [x] = input('blah')
As far as I understand you want that the input variable to be a number called guess. For your usage of the input function that ...

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Define a curve in terms of (X,Y) values
I assume that B is in a single matrix. The light point should then correspond to matrix elements above some threshold. If this i...

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How to plot a square wave with specific conditions?
That should simply be ys = (y>5); plot(t,y,'b',t,ys,'r')

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How do I get rid of lines on a surf command? Also how do I change the surf to green rather than the default gradient colours?
It seems to me that you're guessing the syntax here. Better go through the handles. h = surf(xp,yp,zp) get(h) gives yo...

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How to remove columns from matrix?
for that particular matrix you want B = A(:, [1 2 4 7]); If this is a more general problem, that's a bit more tricky. Sho...

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How can I build an trendline through a fixed point?
Is that a straight line or a curve? And, in the second case, which curve? In the first case you're basically expecting that ...

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How to find centroid based on clusterdata?
I guess your variables are cells... Your syntax is not very clear to me. Anyway it should be c1 = [ mean(xArray{1}) mean(...

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